31,000 BC:
Humans are apparently living in the vicinity of Monte Verde, Chile

-- "Chilean Field Yields New Clues to Peopling of Americas" By JOHN NOBLE WILFORD, August 25, 1998, The New York Times

-- "Aborigines were the first Americans"
By Sarah Toyne, August 22 1999, THE SUNDAY TIMES: FOREIGN NEWS ["http://www.sunday-times.co.uk/news/pages/sti/99/08/22/stifgnusa02003.html?99"], Times Newspapers Ltd.